msk Marvell Yukon 88E8038 hangs

[Kim Culhan]

The msk interface on an Acer Aspire 5570Z hangs, frequently when running cvsup.

Not necessarily at each hang but sometimes coincident, this is
intermittently output to the console:

in_cksum_skip: out of data by 56952

The above is also output to the console at times when receiving a
character through ssh
to a shell.

The in_cksum_skip messages and msk hangs are also present on this hardware
running 7.1-RELEASE.

Any help here is very greatly appreciated.

regards
-kim

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